Before that did ITV have any daytime news?
Not during the week. Apart from the morning Schools’ output and occasional afternoon racing, most regions didn’t schedule programmes until mid to late afternoon, prior to the autumn of 1972.
The extension of the ITV daytime service from week commencing Monday 16 October 1972 saw the start of First Report at 12:40 and new afternoon series including Emmerdale Farm, Crown Court, General Hospital and Good Afternoon.
People now in 2020 don't realise how strict the government was in allowing broadcasting of regular programming before October 1972.
The Postmaster General was the one who set down the hours, and they were gradually increased. In 1966 for example, it was a 50 hour weekly provision split as 7 hours per day Monday to Friday, with 15 hours split over Sat and Sun at 7.5 hours each.
If the BBC or ITV wanted to air anything else outside of these hours, it had to be "exempted programming" - schools, adult education, Welsh language programming, religious programmes, state occasions and then there was an "outside broadcasting quota" provided, to ensure sporting coverage, and in 1966 it was set at 300 hours per year for both the BBC and ITV, with the quota increased in 1968 to 350 hours and then in 1970 to near 400 hours.
I do know ITV liked adult education, as it filled the gaps between the exempted programming and regular programming. For example in 1970, schools programmes would air on ITV from 11.00am - 12.00pm and 1.40pm - 2.45pm - Thames would start their regular programming at 4.15pm, so to fill the 90 minute gap, adult education was used to ensure a full broadcasting day from 1.40pm to after midnight.